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230930148 = 22331361483
BaseRepresentation
bin11011100001110…
…11011011100100
3121002112110121110
431300323123210
5433104231043
634525345020
75502605511
oct1560733344
9532473543
10230930148
11109399269
1265408170
1338ac6777
1422954308
1515418b33
hexdc3b6e4

230930148 has 24 divisors (see below), whose sum is σ = 540567328. Its totient is φ = 76729536.

The previous prime is 230930111. The next prime is 230930149. The reversal of 230930148 is 841039032.

It is not an unprimeable number, because it can be changed into a prime (230930149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26986 + ... + 34497.

Almost surely, 2230930148 is an apocalyptic number.

It is an amenable number.

230930148 is an abundant number, since it is smaller than the sum of its proper divisors (309637180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230930148 is a wasteful number, since it uses less digits than its factorization.

230930148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61803 (or 61801 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 230930148 is about 15196.3860177346. The cubic root of 230930148 is about 613.5173910684.

The spelling of 230930148 in words is "two hundred thirty million, nine hundred thirty thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 313 626 939 1252 1878 3756 61483 122966 184449 245932 368898 737796 19244179 38488358 57732537 76976716 115465074 230930148